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Report

Preparing California for a Changing Climate

By Ellen Hanak, Louise Bedsworth

California has ambitious plans to cut greenhouse gas emissions. But the state also needs an integrated policy to prepare for―and adapt to―climate change. This report finds that some institutions, such as water agencies and electrical utilities, have already begun planning for change. But other areas have yet to prepare effectively for the challenges of a changing California.

More information can be found in the following supporting reports:

Climate Change in California: Scenarios for Adaptation

Adapting California’s Water Management to Climate Change

Adaptation of California’s Electricity Sector to Climate Change

California Coastal Management with a Changing Climate

Air Quality Planning and California’s Changing Climate

Climate Change and California’s Public Health Institutions

Conservation and Management of Ecological Systems in a Changing California

Report

Comparing Futures for the Sacramento-San Joaquin Delta

By Ellen Hanak, Jay Lund, William Fleenor, Jeffrey Mount ...

For over 50 years, California has been pumping water through the Sacramento-San Joaquin Delta for extensive urban and agricultural uses around the state. Today, the Delta is ailing and in urgent need of a new management strategy. This report concludes that building a peripheral canal to carry water around the Delta is the most promising way to balance two critical policy goals: reviving a threatened ecosystem and ensuring a reliable, high-quality water supply for California.
 
More information can be found in the following supporting appendices:

Appendix A. Policy and Regulatory Challenges for the Delta of the Future

Appendix B. Levee Decisions and Sustainability for the Delta

Appendix C. Delta Hydrodynamics and Water Salinity with Future Conditions

Appendix D. The Future of the Delta Ecosystem and Its Fish

Appendix E. Expert Survey on the Viability of Delta Fish Populations

Appendix F. The Economic Costs and Adaptations for Alternative Delta Regulations

Appendix G. Peripheral Canal Design and Implementation Options

Appendix H. Delta Drinking Water Quality and Treatment Costs

Appendix I. The Economic Effects on Agriculture of Water Export Salinity South of the Delta

Appendix J. Decision Analysis of Delta Strategies
 
 
 

Report

Envisioning Futures for the Sacramento-San Joaquin Delta

By Ellen Hanak, Jay Lund, William Fleenor, Jeffrey Mount ...

California’s Sacramento-San Joaquin Delta is widely perceived to be in crisis today: its levee system is fragile, many of its native species are declining rapidly, and it lacks strong governing institutions to deal with its problems. In its current state, the Delta is unsustainable for almost all stakeholders. This report provides a comprehensive, scientifically up-to-date analysis and outlines several alternative management strategies for the Delta. To view individual chapters, click on the links below.

Summary
Introduction
The Legacies of Delta History
Drivers of Change Within the Delta
The Future of the Delta as an Aquatic Ecosystem
A Crisis of Confidence: Shifting Stakeholder Perspectives on the Delta
Water Supply Adaptations to Changes in Delta Management
Delta Options and Alternatives
Evaluating Delta Alternatives
Financing and Governing a Soft Landing
Conclusions and Recommendations
Maps (full-color)

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